Questions
For which of the following reactions, the degree of dissociation (α) and equilibrium constant (KP) are related as
KP=4α2P/(1–α2)?
detailed solution
Correct option is A
in the above reaction, the concentration of N2O4=1–α,
The concentration of NO2=α
Now, we know that mole fraction = number of moles/total miles
So, Kp= [(2α/1+α)p]2/[(1–α/1+α)p]
Kp=[(4α2)/(1+α)2P2]/[(1–α)/(1+α)P]
Kp=4α2p/1–α2
Therefore, the correct answer is option (A) N2O4(g)⇌2NO2(g).
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